Graphing Lines (Math Problem Sample)

Graphing Lines
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Graphing Lines
Three main methods can help learners to graph linear equations. It should be noted that linear equations must present a graph with a straight line. The first method for graphing linear equations is using a table of values. The second method used to graph linear equations is to use the y and x-intercepts while the last method used to draw linear equations is to use the slope and intercept method. Below is an example of how to draw a linear equation using a table of values
Consider the following linear equation
y=3x+1
We take any two possible values of X (say; 1 and 2) and replace them in the equation.
We then solve for the values of Y given X
That is when x=1 y=3*1+1=4
When x=2y=3*2+1=7
We then tabulate the values as shown below.
X

Y

1

4

2

7

We can then graph the values as shown below
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